A morbid secret lies hidden within the beautiful walls of the Boston Athenaeum.

One of the best-preserved Native American mounds remaining in the southern United States.

A preserved stretch of ancient fossilized trees with an impressive gem collection to boot.

Captain John Smith thought these cliffs were amazing in 1608 but sharks thought so 20 million years before him.

Once part of a dam servicing an early 19th century grist mill, the tucked-way falls are a tricky-to-find urban oasis.

This dig site outside D.C. is known for its exceptionally high density of baby dinosaur fossils and dinosaur eggs.

The remnants of a wooden-hulled fleet built and abandoned in WWI, now home to a thriving ecosystem.

A priceless collection of the Nation's cryptologic history.

The land is home to swimming ponies and a legendary 18th-century treasure.

Fiji mermaids, mummified remains, and recreated cryptids are among the morbid oddities at this Maryland museum.

A showcase of geologic history is home to one of the largest collection of lunar meteorites on Earth.

This eclectic natural history collection holds everything from a bit of the trans-atlantic cable to Hemingway's marlin.

A charming museum of natural history featuring dioramas and exhibits made entirely by college students.

The “Grand Canyon of Maine” is a three-mile gorge full of striking geological features.

The highest point in Maine is a grand gift to the state citizens that also happens to be one end of the Appalachian Trail.

The world's only international cryptozoology museum is host to an unrivaled collection of mysterious objects.

One of the oldest continuously-operated gay bars in the United States is allegedly haunted by Truman Capote and Tennessee Williams.

A museum of unusual collections, mini-towns, and a half-dog, half-alligator.

Legend says a primate-like cryptid prowls this otherworldy sliver of the Louisiana bayou.

This knobby, drooping New Orleans oak is a favorite place both for climbing and for meeting giraffes.

A snapshot of the city's fascinating voodoo culture.

A museum and shop on Bourbon Street located in the French Quarter.

Home to fossils and other specimens from the Western Interior Seaway.

This small museum contains fossils from an era when Kansas was underwater.